Trump used the pseudonym "John Barron" (sometimes "John Baron") throughout the 1980s, with its earliest known usage in 1980 and its last acknowledgment in 1990. According to The Washington Post, the name was a "go-to alias when [Trump] was under scrutiny, in need of a tough front man or otherwise wanting to convey a message without attaching his own name to it."Barron would be introduced as a spokesperson for Trump.
https://en.wikipedia.org/wiki/Pseudonyms_of_Donald_Trump